Born and raised in Philadelphia, Sr. Mary Jeanne Oesterle attended Catholic school from first grade through university. She holds a bachelor’s degree in education from Gwynedd Mercy College, a master’s degree in education administration from Bloomsburg University, and received administrative certification from Fairfield University. Sr. Mary Jeane began her career in education in 1967 as a teacher of both elementary and students with special needs. For over thirty years she has served as an education administrator in a number of fine Mercy schools. Her passion is working with and ministering to young people in their formative years.
Sr. Mary Jeanne joined Walsingham Academy in 1990; she served fourteen years as Principal of the Lower School before her appointment as President of the Academy in 2004.
A longtime and highly respected member of the Upper School faculty, Mrs. Baker has served as a science teacher at Walsingham since the 2008-09 school year. She brings 18 total years of teaching experience and has previously served as an administrator at St. Frederick High School in Monroe, Louisiana.
Mrs. Baker believes that to be a Mercy educator is to exemplify for the students the Mercy values both inside and out of the classroom. She sees all students as being gifts to which she is accountable for their care, education, and growth.
Walsingham Academy was founded in 1947 by the Sisters of Mercy of Philadelphia. A Board of Trustees was established in August 2002.
Chairwoman: Mary Ann Lemere P '18
Vice Chairman: Robert Hershberger
Secretary: Kevin Hughes
Michelle Brauer P '04 '06
Sister Elizabeth Marley
George McBeath P’16
Pam McGregor P '08 '10
Sister Mary Jeanne Oesterle
Leslynn Twiddy P ’05, ’08
Megan Whiteaker '06